<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<script>
		// 测试时间起点
    var startTime = +new Date(); 
  </script>
	<title>白屏时间</title>
	<link rel="stylesheet" href="common.css">;
	<link rel="stylesheet" href="page.css">;
	<script>
		// 测试时间终点
    var endTime = +new Date(); 
  </script>
</head>
<body>
	<h1>白屏时间</h1>
</body>
</html>
